ViP.at - Dateinen "ohne" Speicher splitten
Der folgende Source erwartet das Inputfile und 2 Outputfiles sowie den Splitpunkt in Bytes. Dieses Programm braucht recht lange, da die Bytes einzeln bearbeitet werden.
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
FILE *in, *out1, *out2;
unsigned long cut, i;
int a;
if (argc < 4)
{
printf("split by Thomas Dorn 1995\nUsage: split source dest1 dest2 splitpoint\n");
return(0);
}
cut = atol(argv[4]);
printf("cutpoint: %d\n",cut);
if (cut < 1)
{
printf("Verarschen kannst jemand anders!\n");
return(1);
}
if (in = fopen(argv[1],"rb"))
{
if (out1 = fopen(argv[2],"wb"))
{
if (out2 = fopen(argv[3],"wb"))
{
for (i=0;i < cut;i++)
{
a = fgetc(in);
fputc(a,out1);
if (feof(in))
i = cut; /* Beenden */
}
while (!feof(in)) /* 2.ter teil */
{
a = fgetc(in);
fputc(a,out2);
}
fclose(out2);
}
else
{
printf("Couldn't open Outputfile %s\n", argv[3]);
}
fclose(out1);
}
else
{
printf("Couldn't open Outputfile %s\n", argv[2]);
}
fclose(in);
}
else
{
printf("Couldn't open Inputfile %s\n", argv[1]);
}
}
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